Home / 15,314.42-21,134.40-8,601.23

Finding the Fourth Proportional to 15,314.42, 21,134.40 and 8,601.23

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Solution

The fourth proportional to 15,314.42, 21,134.40 and 8,601.23 is: 11,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.42 : 21,134.40 = 8,601.23 : x
  2. Step 2: Convert to fraction form
    15,314.42/21,134.40 = 8,601.23/x
  3. Step 3: Cross multiply
    15,314.42x = 21,134.40 × 8,601.23
  4. Step 4: Simplify right side
    15,314.42x = 181,781,792.31
  5. Step 5: Solve for x
    x = 181,781,792.31/15,314.42
  6. Step 6: Final answer
    x = 11,869.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.